Pigment composition, ink for inkjet recording, coloring composition for color filter, and color filter

A pigment composition comprising:

• (A) an azo pigment represented by the following general formula (1);
• and
• (B) a pigment derivative having a hydrophilic group and represented by the following general formula (B1):
• wherein
• G represents a hydrogen atom, an aliphatic group, an aryl group, a heterocyclic group, an acyl group, an aliphatic oxycarbonyl group, a carbamoyl group, an aliphatic sulfonyl group, or an arylsulfonyl group;
• R1 represents an amino group, an aliphatic oxy group, an aliphatic group, an aryl group, or a heterocyclic group;
• R2 represents a substituent;
• A represents an aromatic 5- or 6-membered heterocyclic group;
• m represents an integer of from 0 to 5;
• n represents an integer of from 1 to 4;
• when n=2, the general formula (1) represents a dimer formed through R1, R2, A, or G;
• when n=3, the general formula (1) represents a trimer formed through R1, R2, A, or G;
• when n=4, the general formula (1) represents a tetramer formed through R1, R2, A, or G;
• and
• the general formula (1) does not comprise any ionic hydrophilic group;
• wherein P represents an anthanthrone series colorant residue, an anthraquinone series colorant residue, an anthrapyrimidine series colorant residue, an azo series colorant residue, a quinacridone series colorant residue, a quinophthalone series colorant residue, a diketopyrrolopyrrole series colorant residue, a dioxazine series colorant residue, a flavanthrone series colorant residue, an indanthrone series colorant residue, an isoindoline series colorant residue, an isoindolinone series colorant residue, an isoviolanthrone series colorant residue, a metal complex series colorant residue, a perinone series colorant residue, a perylene series colorant residue, a pthalocyanine series colorant residue, a pyranthrone series colorant residue, a pyrazoloquinazolone series colorant residue, a thioindigo series colorant residue, or a triarylcarbonium series colorant residue;
• X represents an amino group, —SO3.M/m or —COO.M/m,
• wherein M represents a counter cation selected form the group consisting of a hydrogen ion, a 1- to 3-valent metal ion, and an ammonium ion, and
• m represents a valence number of M, which is an integer of 1 to 3 or an amino group, and
• n1 represents an integer of from 1 to 4.